US20050042444A1 - Self-adhesive protective sheet for temporary protection of vehicle finishes - Google Patents
Self-adhesive protective sheet for temporary protection of vehicle finishes Download PDFInfo
- Publication number
- US20050042444A1 US20050042444A1 US10/816,368 US81636804A US2005042444A1 US 20050042444 A1 US20050042444 A1 US 20050042444A1 US 81636804 A US81636804 A US 81636804A US 2005042444 A1 US2005042444 A1 US 2005042444A1
- Authority
- US
- United States
- Prior art keywords
- self
- protective sheet
- adhesive
- adhesive protective
- copolymers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 72
- 230000001681 protective effect Effects 0.000 title claims abstract description 46
- 239000003973 paint Substances 0.000 claims abstract description 39
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 29
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 4
- 239000012790 adhesive layer Substances 0.000 claims abstract 6
- 239000000203 mixture Substances 0.000 claims description 25
- 229920002367 Polyisobutene Polymers 0.000 claims description 19
- 229920001577 copolymer Polymers 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000004611 light stabiliser Substances 0.000 claims description 10
- 229920000098 polyolefin Polymers 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- 239000002318 adhesion promoter Substances 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 4
- 239000004711 α-olefin Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims description 2
- 239000011256 inorganic filler Substances 0.000 claims description 2
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 2
- 150000002596 lactones Chemical class 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000012766 organic filler Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 4
- 239000011521 glass Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 description 38
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 244000043261 Hevea brasiliensis Species 0.000 description 9
- 229920003052 natural elastomer Polymers 0.000 description 9
- 229920001194 natural rubber Polymers 0.000 description 9
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 229920000058 polyacrylate Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WTARULDDTDQWMU-RKDXNWHRSA-N (+)-β-pinene Chemical compound C1[C@H]2C(C)(C)[C@@H]1CCC2=C WTARULDDTDQWMU-RKDXNWHRSA-N 0.000 description 2
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- GRWFGVWFFZKLTI-IUCAKERBSA-N 1S,5S-(-)-alpha-Pinene Natural products CC1=CC[C@@H]2C(C)(C)[C@H]1C2 GRWFGVWFFZKLTI-IUCAKERBSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 229920006270 hydrocarbon resin Polymers 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920001083 polybutene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- WTARULDDTDQWMU-IUCAKERBSA-N (-)-Nopinene Natural products C1[C@@H]2C(C)(C)[C@H]1CCC2=C WTARULDDTDQWMU-IUCAKERBSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 229920003346 Levapren® Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229920002438 Oppanol® B 150 Polymers 0.000 description 1
- 229920002460 Oppanol® B 50 Polymers 0.000 description 1
- 229920011250 Polypropylene Block Copolymer Polymers 0.000 description 1
- WTARULDDTDQWMU-UHFFFAOYSA-N Pseudopinene Natural products C1C2C(C)(C)C1CCC2=C WTARULDDTDQWMU-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000004708 Very-low-density polyethylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- XCPQUQHBVVXMRQ-UHFFFAOYSA-N alpha-Fenchene Natural products C1CC2C(=C)CC1C2(C)C XCPQUQHBVVXMRQ-UHFFFAOYSA-N 0.000 description 1
- MVNCAPSFBDBCGF-UHFFFAOYSA-N alpha-pinene Natural products CC1=CCC23C1CC2C3(C)C MVNCAPSFBDBCGF-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229930006722 beta-pinene Natural products 0.000 description 1
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010538 cationic polymerization reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- LCWMKIHBLJLORW-UHFFFAOYSA-N gamma-carene Natural products C1CC(=C)CC2C(C)(C)C21 LCWMKIHBLJLORW-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940087305 limonene Drugs 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- IULGYNXPKZHCIA-UHFFFAOYSA-N octadecyl carbamate Chemical compound CCCCCCCCCCCCCCCCCCOC(N)=O IULGYNXPKZHCIA-UHFFFAOYSA-N 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 150000003097 polyterpenes Chemical class 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- GRWFGVWFFZKLTI-UHFFFAOYSA-N rac-alpha-Pinene Natural products CC1=CCC2C(C)(C)C1C2 GRWFGVWFFZKLTI-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 1
- 229920001866 very low density polyethylene Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/383—Natural or synthetic rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/006—Presence of polyolefin in the substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
Definitions
- the invention relates to a self-adhesive sheet for temporary protection of fresh paint surfaces of vehicles such as cars and freshly painted vehicle parts against soiling and damage in the course of assembly, transit and storage and also to its use on vehicles, especially on cars.
- a key requirement of a temporary surface protection sheet is its weathering stability and light stability over a period of several months. Accordingly, such a sheet must be removable even after a six-month period spent in extreme climatic circumstances such as, for example, the Florida climate without embrittlement and without leaving residues of adhesive as a result of light-induced decomposition. It is likewise necessary to ensure that in cases of elevated surface temperature of the vehicle, as may occur in southern regions or in the case of direct insolation, removal of the adhesive is not accompanied by failure, either cohesively or adhesively to the backing film, and/or is not accompanied by residues of adhesive left behind.
- an overriding requirement is that of paint compatibility, which means that, following removal of the protective sheet, the paint surface should not exhibit any impairments whatsoever in the form of irreversible deformations. Deformations are imprints in the paint which are manifested in the form of sheet edge contours, bonded-in air bubbles and creases, or in the form of change in surface structure below the entirety of the overstuck area. This requirement is particularly demanding if the sheet is adhered to the bodywork a short time, in some cases just 30 minutes, after the paint has been baked, still prior to the assembly of the vehicle.
- the sheet materials generally used for temporary surface protection are polyolefins or mixtures thereof, normally in the form of blends with light stabilizers and titanium dioxide.
- the first system although it is known to have good light stability and it can also be relatively well balanced in its adhesion properties in terms of initial adhesion and final adhesion, given an appropriate selection of the comonomers, has a paint compatibility which is inadequate. In the area, in particular, irreversible surface changes are evident on the majority of vehicle finishes.
- a paint protection sheet based on polyethylene-vinyl acetate (EVA) is described in DE 195 32 220 A1.
- EVA polyethylene-vinyl acetate
- This system attains good bond values after just a short time and ensures a high degree of bonding security against unwanted spontaneous detachment during transit.
- Disadvantages perceived by the user include the strong peel increase, which can be lessened with a sophisticated mixture of different EVA copolymers as described in DE 100 50 499 A1.
- the paint compatibility is not always optimum.
- EVA particularly in creases and bubbles, strong irreversible deformations are observed on numerous OEM finishes.
- the high polarity of both of the systems specified is probably responsible for the strong interactions with the likewise polar paints.
- apolar adhesive base is natural rubber.
- Compositions formulated appropriately with plasticizers, tackifier resins and fillers do in fact display outstanding paint compatibility, but—less surprisingly—do not exhibit adequate light stability, owing to the numerous double bonds in the polymer main chain; the consequence of this is that after just a short period in use the sheet can be removed only with residues of adhesive which are greasy or, in the further course of time, may even have hardened to a paintlike state.
- Speciality adhesive tapes for the design painting sector, for two-colour finishing generally make recourse to adhesive tapes based on natural rubber. In some cases, such tapes are adhered to completely fresh paint areas and, following the second application of paint, are heated for up to an hour at 150° C. in order to bake the paint. Thereafter the first paint layer has no visible changes in the form of imprints.
- apolar synthetic rubber is polyisobutylene.
- a protective sheet with this adhesive system is described in, for example, EP 0 519 278 A1 and features much better weathering stability than natural rubber, owing to the absence of double bonds.
- the paint compatibility, though frequently satisfactory, is less good on many paints than that of natural rubber compositions.
- the aim is in particular to solve the problem of the unsatisfactory paint compatibility of the weathering-stable adhesives known from the prior art without recourse to natural rubber, since the latter is not stable under weathering.
- the invention accordingly provides a self-adhesive protective sheet for the temporary protection of fresh paint surfaces of vehicles such as cars and freshly painted vehicle parts, having a backing comprising a thermoplastic film, preferably of polyolefins, which has been coated with a self-adhesive composition comprising butyl rubber, the isoprene fraction in the butyl rubber being up to 1.8 mole percent.
- An inventive sheet of this kind has a better paint compatibility than those containing polyisobutylene adhesives, while being sufficiently stable to light.
- the adhesive is composed of butyl rubber, with the isoprene content of the butyl rubber being up to 1.8 mole percent, preferably up to 1.2 mole percent. It is applied at coatweights of between 3 and 35 g/m 2 , preferably between 8 and 20 g/m 2 . It can be applied from solution, for example in hexane or mineral spirit, or else from the melt, either by coextrusion together with the backing film or by calendering.
- Butyl rubbers are copolymers of isobutene and isoprene which are prepared by cationic polymerization in solution.
- the isoprene fraction varies typically between 0.5 and 5 mole percent.
- the isoprene is normally incorporated in 1,4-addition, so that, in contrast to the polyisobutylene homopolymer, this copolymer has double bonds in the main chain. Accordingly it constitutes a link between a straight poly-cis-isoprene or natural rubber and a polyisobutylene homopolymer. This may be supposed to be the reason for the better paint compatibility observed for butyl rubber in comparison with polyisobutylene.
- butyl rubbers are that of the starbranched grades, in which more intensive branching is achieved by means of comonomers such as divinylbenzene. More recently, butyl rubbers having pendant double bonds have also become known (1,2- and/or 3,4-addition of the isoprene). Manufacturers of such products include in particular the companies Bayer (Bayer Butyl) and Exxon (Exxon Butyl).
- a protective sheet having the self-adhesive composition of the invention exhibits a sufficient weathering stability.
- the paint compatibility continues to rise with increasing isoprene fraction, above 1.8 mole percent the weathering stability begins to decrease markedly, so that the sheet no longer in every case withstands conditions typical of those in application, generally at least 6 months of Florida climate.
- the self-adhesive composition then begins gradually to decompose, a process which is manifested in more or less pronounced residues of adhesive, particularly in cases of elevated temperature and slow demasking speeds.
- the self-adhesive composition of the invention affords an additional advantage over those comprising polyisobutylene, which is the most paint-compatible type of the systems represented in the market.
- polyisobutylenes are of strictly linear construction, the butyl rubbers have a branching site at approximately every tenth isoprene unit (see White et al., “Macromolecules”, 28 (1995) 3 290 to 3 300).
- the molar mass advantageously at least of some of the polyisobutylenes used is relatively high, generally at least 200 000 g/mol (number average M n ).
- the branched structure of the butyl rubbers produces a greater cohesion and a lower solution viscosity in a given solvent, thereby making processing more economic and more environmentally compatible: with a higher solids content of the composition, the coated web can be transported more rapidly through the drying tunnel, in order to evaporate the solvent, and at the same time the amount of solvent released, which has to be extracted from the outgoing air, in a costly and inconvenient procedure, is less.
- the solvent-free process as well advantages are in evidence for butyl rubber.
- the adhesive of the protective sheet of the invention can nevertheless advantageously be blended with one or more additives.
- additives include tackifiers (tackifier resins which optimize pressure-sensitive adhesion properties), plasticizers, organic or inorganic fillers, pigments, light stabilizers, including those in the form of UV-absorbing, sterically hindered amines (HALS), ageing inhibitors in the form, for example, of lactones, primary and secondary antioxidants, or further elastomers.
- crosslinking agents and crosslinking promoters can be added to the self-adhesive composition.
- An exhaustive selection of crosslinking agents and crosslinking promoters is described in Ullmann's Encyclopedia of Industrial Chemistry (6th edition, 2003), section “Rubber, 4. Chemicals and additives” and “Manual for Rubber Industry”, Bayer AG (1995).
- Examples of possible elastomers for modifying the self-adhesive composition include polyisobutylenes, polyolefin copolymers such as EPM or EPDM, polybutenes, hydrogenated block copolymers of styrene and dienes, and acrylate copolymers. These elastomers are used in proportions in the range from 0 to 20 parts by weight, preferably less than 10 parts by weight per 100 parts by weight of butyl rubber.
- Suitable tackifiers include synthetic hydrocarbon resins (of C5 or C9 monomers, for example), natural resins, polyterpene resins based on ⁇ - or ⁇ -pinene or ⁇ -limonene, rosin and rosin derivatives, and others, as listed in Ullmann's Encyclopedia of Industrial Chemistry (6th edition, 2003), section “Resins, Synthetic” and “Resins, Natural”. Primarily use is made of fully or partly hydrogenated resins, which are more stable to ageing.
- the adhesive of the protective sheet of the invention it is preferred to use from 0 to 50 parts by weight, in particular from 0 to 20 parts by weight, of a tackifier per 100 parts by weight of base polymer.
- plasticizers for the self-adhesive composition include aliphatic, cyclooaliphatic and aromatic mineral oils, diesters or polyesters of phthalic acid, trimellitic acid or adipic acid, liquid rubbers (nitrile rubbers or polyisoprene rubbers, for example), liquid polymers (of isobutene or ethylene/propylene), acrylates, polyvinyl ethers, liquid resins and soft resins based on the raw materials of tackifier resins, lanolin and other waxes, or liquid silicones.
- Ageing-stable plasticizers without an olefinic double bond are particularly suitable. It is preferred to use from 0 to 40 parts by weight, in particular from 0 to 10 parts by weight, of a plasticizer per 100 parts by weight of base polymer.
- thermoplastic films preferably polyolefin films. They may be composed, for example, of polyethylene, polypropylene and also mixtures or copolymers thereof (random copolymer or polypropylene block copolymer, for example).
- the films may also include different amounts of other polyolefin copolymers, such as copolymers of ethylene and ⁇ -olefins such as 1-butene, 1-hexene and 1-octene (called LLDPE, VLDPE or ULDPE or metallocene-PE, depending on proportion and manufacturing process), but also ethylene-styrene copolymers, ethylene with polar comonomers such as acrylic acid, and copolymers of propylene with ⁇ -olefins, such as ethylene, 1-butene, 1-hexene and 1 -octene.
- Suitable thicknesses for the backing films are from 20 to 80 ⁇ m (including the adhesion promoter layer where appropriate).
- the flexibility of the backing film has a part to play in the content of deformability during the application of the protective sheet: the force at 10% elongation should not exceed 25 N/15 mm, preferably 16 N/15 mm, both in the longitudinal direction and in the transverse direction. Owing to their thermal contraction resistance and effective deformability, propylene copolymers are especially suitable.
- Suitable films are described in DE 199 23 780 A1 and DE 196 35 704 A1.
- HALS light stabilizers are especially suitable for the protective sheet of the invention.
- the amount of light stabilizer ought to be at least 0.15% by weight, preferably at least 0.30% by weight, based on the backing film.
- An additional improvement in the light stability of the backing film is also possible through addition of titanium dioxide.
- Advantageous in terms of the mechanical properties and the homogeneity of the whiteness is a titanium dioxide addition of from 5 to 15% by weight.
- the UV transmittance of the protective sheet in the region from 290 to 360 nm is preferably below about 1%, more preferably below about 0.1%.
- the sheet may also be colour-pigmented.
- Films of this kind can be manufactured on calenders, blowing units or, preferably, casting units (T-die technology), with the film not being monoaxially or biaxially oriented by stretching (drawing) with drawing rolls or drawing frames.
- the orientation should be minimized by way of take-off speed, blow-up ratio and temperature profile.
- antiblocking agents chalk or talc for example.
- the film itself may be composed of a plurality of individual layers.
- the backing film is composed of at least one base layer and one adhesion promoter layer.
- the latter is composed preferably of a relatively low-density polyolefin, a blend of two or more polyolefins and/or components of the base layer and/or components of the adhesive.
- an adhesion promoter layer makes it possible to ensure that even at elevated product temperatures, such as are often reached under insolation conditions, the protective sheet can be removed from the surface to be protected without leaving residues.
- a physical pretreatment of the film such as corona discharge or flame pre-treatment, is very effective at improving the adhesion between film and adhesive.
- a release layer in the case of the protective sheet of the invention.
- This release layer may take the form of a coating on the reverse of the film.
- PVSC polyvinyl stearyl carbamate
- the film layer containing release agent can be located on the base layer.
- a protective sheet of the invention realized in this fashion is easy to apply to the paint areas of freshly painted bodywork or brand-new vehicles straight from the plant, and/or components for external mounting thereon, even when the areas to be overstuck are curved.
- the protective sheet unites the desired properties of effective initial adhesion, secure adhesion during transport, and untroubled removability, since the peel increase, even over the long term or under the effect of heat, is low. Damp (rain, fog, dew) and cold weathering conditions are also withstood by the sheet without unwanted instances of spontaneous detachment.
- the protective sheet of the invention is therefore outstandingly suitable at fulfilling its purpose, namely to protect freshly painted cars or car parts against damage by mechanical and chemical influences in the course of assembly or in the course of transit from the production plant to the dealer.
- All of the exemplary protective sheets were produced by coating the adhesives from solution onto a cast polyolefin film 50 ⁇ m thick and composed of 60 parts by weight of PP homopolymer, 30 parts by weight of LLDPE, 10 parts by weight of titanium dioxide and 0.3 part by weight of a HALS stabilizer (Tinuvin 770, Ciba).
- the film formulation ensured that the results were not falsified by premature embrittlement of the film.
- All of the specimens were coated in such a way as to result in an adhesive coatweight of 15 g/m 2 ⁇ 2 g/m 2 after five minutes' drying at 100° C.
- Table 1 The formulation of the different self-adhesive compositions is depicted in Table 1.
- the sequence of the criteria also reflects their performance significance (decreasing with increasing number), which is also reflected in the level of the points awarded for the test results.
- the UV stability was tested in accordance with EN ISO 4892-2 over 600 h.
- the test substrates used were metal specimen panels which had been painted with a water-based basecoat (colour: dark blue) and with a 2K PU clearcoat (BASF) in accordance with the manufacturer's specifications. 30 minutes after oven drying, specimens 2 cm wide and 15 cm long were bonded to these panels, with a number of creases being bonded in deliberately. Weathering took place in a weathering instrument from the company Atlas (Xenotest Beta). After the end of exposure, the strips were pulled off rapidly at angles of 90° and 180° and the traces of adhesive due to the influence of UV, which were readily detectable on the dark paint, were assessed visually in accordance with the following scheme:
- the demasking behaviour is predominantly balanced, whereas the standard commercial adhesive systems (EVA and polyacrylate) exhibit strong peel increase and, additionally, cause severe deformation of the paint.
- EVA and polyacrylate exhibit strong peel increase and, additionally, cause severe deformation of the paint.
- PIB tends to detach too easily, which in practice could lead to spontaneous detachment.
- Protective sheets for car finishes with adhesives based on butyl rubber having an isoprene content of up to 1.8 mole percent are outstandingly suitable, accordingly, for meeting the requirements made of them, especially UV stability, paint compatibility and balanced demasking behaviour, more effectively than protective sheets which conform to the known state of the art.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10318151.2 | 2003-04-17 | ||
DE10318151A DE10318151A1 (de) | 2003-04-17 | 2003-04-17 | Selbstklebende Schutzfolie zum temporären Schutz von Fahrzeuglacken |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050042444A1 true US20050042444A1 (en) | 2005-02-24 |
Family
ID=32892445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/816,368 Abandoned US20050042444A1 (en) | 2003-04-17 | 2004-04-01 | Self-adhesive protective sheet for temporary protection of vehicle finishes |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050042444A1 (de) |
EP (1) | EP1469054B1 (de) |
JP (1) | JP2004315823A (de) |
CN (1) | CN100378184C (de) |
DE (2) | DE10318151A1 (de) |
ES (1) | ES2312873T3 (de) |
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US20090104396A1 (en) * | 2007-10-17 | 2009-04-23 | Compal Electronics, Inc. | Color pattern film for metal shell |
US20100080990A1 (en) * | 2007-04-03 | 2010-04-01 | Mitsuyoshi Shirai | Sheet for protecting coatings |
EP2196511A2 (de) * | 2008-12-12 | 2010-06-16 | Nitto Denko Corporation | Farbschichtschutzfolie und Verfahren zu deren Herstellung |
US20100151222A1 (en) * | 2008-10-27 | 2010-06-17 | Lanxess Deutschland Gmbh | Multilayer composite foil |
CN102079953A (zh) * | 2009-11-27 | 2011-06-01 | 日东电工株式会社 | 涂膜保护片 |
US20110129655A1 (en) * | 2009-11-27 | 2011-06-02 | Nitto Denko Corporation | Paint film-protecting sheet |
US20150344741A1 (en) * | 2014-06-02 | 2015-12-03 | Avery Dennison Corporation | Films with Enhanced Scuff Resistance, Clarity, and Conformability |
US9969908B2 (en) | 2012-12-21 | 2018-05-15 | Tesa Se | Method for removing permeates from flat structures, and corresponding adhesive tape |
US10302401B2 (en) | 2013-03-15 | 2019-05-28 | Scott R. Whitaker | Ballistic shield |
US10458756B2 (en) | 2013-03-15 | 2019-10-29 | Scott R. Whitaker | Flexible adhesive ballistic shield |
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DE102005029722A1 (de) * | 2005-06-24 | 2006-12-28 | Tesa Ag | Halogenfreie selbstklebende Schutzfolie |
JP2007130872A (ja) * | 2005-11-10 | 2007-05-31 | Dainippon Ink & Chem Inc | 表面保護フィルム |
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JP5541438B2 (ja) * | 2009-09-30 | 2014-07-09 | 日立マクセル株式会社 | 粘着剤組成物およびそれを用いた粘着シート |
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DE102013202473A1 (de) | 2013-02-15 | 2014-08-21 | Tesa Se | Verfahren zum Entfernen von Permeaten aus Flächengebilden |
DE102012224319A1 (de) | 2012-12-21 | 2014-06-26 | Tesa Se | Verfahren zum Entfernen von Permeaten aus Flächengebilden |
KR101758418B1 (ko) * | 2013-08-27 | 2017-07-14 | 주식회사 엘지화학 | 내구성이 우수한 고무계 점착제 조성물 |
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DE102014200948A1 (de) | 2014-01-20 | 2015-07-23 | Tesa Se | Verfahren zum Entfernen von Permeaten aus Flächengebilden |
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JP3583593B2 (ja) * | 1997-09-29 | 2004-11-04 | 鐘淵化学工業株式会社 | 架橋可能なゴム組成物、及びその架橋ゴム |
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JP2002069407A (ja) * | 2000-08-29 | 2002-03-08 | Sekisui Chem Co Ltd | 表面保護フィルム |
WO2002032992A2 (en) * | 2000-10-18 | 2002-04-25 | Exxonmobil Chemical Patents Inc. | Elastomeric composition |
-
2003
- 2003-04-17 DE DE10318151A patent/DE10318151A1/de not_active Withdrawn
-
2004
- 2004-03-18 ES ES04006467T patent/ES2312873T3/es not_active Expired - Lifetime
- 2004-03-18 DE DE502004007812T patent/DE502004007812D1/de not_active Expired - Lifetime
- 2004-03-18 EP EP04006467A patent/EP1469054B1/de not_active Expired - Fee Related
- 2004-04-01 US US10/816,368 patent/US20050042444A1/en not_active Abandoned
- 2004-04-14 JP JP2004119212A patent/JP2004315823A/ja active Pending
- 2004-04-15 CN CNB2004100348336A patent/CN100378184C/zh not_active Expired - Lifetime
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US5882775A (en) * | 1991-06-19 | 1999-03-16 | Kansai Paint Co., Ltd. | Automobile paint film-protective sheet |
US5895714A (en) * | 1995-09-01 | 1999-04-20 | Beiersdorf Ag | Self-adhesive protective film |
US5925456A (en) * | 1996-09-03 | 1999-07-20 | Beiersdorf Ag | Self-adhesive protective film |
Cited By (19)
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US20100080990A1 (en) * | 2007-04-03 | 2010-04-01 | Mitsuyoshi Shirai | Sheet for protecting coatings |
US20090104396A1 (en) * | 2007-10-17 | 2009-04-23 | Compal Electronics, Inc. | Color pattern film for metal shell |
US20100151222A1 (en) * | 2008-10-27 | 2010-06-17 | Lanxess Deutschland Gmbh | Multilayer composite foil |
EP2196511A2 (de) * | 2008-12-12 | 2010-06-16 | Nitto Denko Corporation | Farbschichtschutzfolie und Verfahren zu deren Herstellung |
US20100151237A1 (en) * | 2008-12-12 | 2010-06-17 | Nitto Denko Corporation | Paint film-protecting sheet and method of manufacture |
US9512337B2 (en) | 2008-12-12 | 2016-12-06 | Nitto Denko Corporation | Paint film-protecting sheet and method of manufacture |
EP2196511A3 (de) * | 2008-12-12 | 2012-04-18 | Nitto Denko Corporation | Farbschichtschutzfolie und Verfahren zu deren Herstellung |
EP2330168A1 (de) * | 2009-11-27 | 2011-06-08 | Nitto Denko Corporation | Farbschichtschutzfolie |
US20110126983A1 (en) * | 2009-11-27 | 2011-06-02 | Nitto Denko Corporation | Paint film-protecting sheet |
US20110129655A1 (en) * | 2009-11-27 | 2011-06-02 | Nitto Denko Corporation | Paint film-protecting sheet |
US9382453B2 (en) | 2009-11-27 | 2016-07-05 | Nitto Denko Corporation | Paint film-protecting sheet |
US9382454B2 (en) | 2009-11-27 | 2016-07-05 | Nitto Denko Corporation | Paint film-protecting sheet |
CN102079953A (zh) * | 2009-11-27 | 2011-06-01 | 日东电工株式会社 | 涂膜保护片 |
US9969908B2 (en) | 2012-12-21 | 2018-05-15 | Tesa Se | Method for removing permeates from flat structures, and corresponding adhesive tape |
US10302401B2 (en) | 2013-03-15 | 2019-05-28 | Scott R. Whitaker | Ballistic shield |
EP2972061B1 (de) * | 2013-03-15 | 2019-08-07 | Scott R. Whitaker | Kugelsicherer schild |
US10458756B2 (en) | 2013-03-15 | 2019-10-29 | Scott R. Whitaker | Flexible adhesive ballistic shield |
US20150344741A1 (en) * | 2014-06-02 | 2015-12-03 | Avery Dennison Corporation | Films with Enhanced Scuff Resistance, Clarity, and Conformability |
US11459488B2 (en) * | 2014-06-02 | 2022-10-04 | Avery Dennison Corporation | Films with enhanced scuff resistance, clarity, and conformability |
Also Published As
Publication number | Publication date |
---|---|
EP1469054A2 (de) | 2004-10-20 |
CN1537897A (zh) | 2004-10-20 |
EP1469054B1 (de) | 2008-08-13 |
CN100378184C (zh) | 2008-04-02 |
EP1469054A3 (de) | 2004-11-17 |
JP2004315823A (ja) | 2004-11-11 |
ES2312873T3 (es) | 2009-03-01 |
DE502004007812D1 (de) | 2008-09-25 |
DE10318151A1 (de) | 2004-10-28 |
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